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Finding the Fourth Proportional to 70,009.41, 105,040.05 and 32,589.57

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Solution

The fourth proportional to 70,009.41, 105,040.05 and 32,589.57 is: 48,896.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.41 : 105,040.05 = 32,589.57 : x
  2. Step 2: Convert to fraction form
    70,009.41/105,040.05 = 32,589.57/x
  3. Step 3: Cross multiply
    70,009.41x = 105,040.05 × 32,589.57
  4. Step 4: Simplify right side
    70,009.41x = 3,423,210,062.28
  5. Step 5: Solve for x
    x = 3,423,210,062.28/70,009.41
  6. Step 6: Final answer
    x = 48,896.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.